#region License
// Copyright (c) .NET Foundation and contributors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// The latest version of this file can be found at https://github.com/FluentValidation/FluentValidation
#endregion
namespace ServiceStack.FluentValidation.Resources {
	using System;
	using System.Collections.Generic;

	/// <summary>
	/// Base class for languages
	/// </summary>
	[Obsolete("The Language class is no longer used and will be removed in FluentValidation 10.")]
	public abstract class Language {

		/// <summary>
		/// Name of language (culture code)
		/// </summary>
		public abstract string Name { get; }

		private readonly Dictionary<string, string> _translations = new Dictionary<string, string>();

		/// <summary>
		/// Adds a translation
		/// </summary>
		/// <param name="key"></param>
		/// <param name="message"></param>
		public virtual void Translate(string key, string message) {
			_translations[key] = message;
		}

		/// <summary>
		/// Adds a translation for a type
		/// </summary>
		/// <typeparam name="T"></typeparam>
		/// <param name="message"></param>
		public void Translate<T>(string message) {
			Translate(typeof(T).Name, message);
		}

		/// <summary>
		/// Gets the localized version of a string with a specific key.
		/// </summary>
		/// <param name="key"></param>
		/// <returns></returns>
		public virtual string GetTranslation(string key) {
			if (_translations.TryGetValue(key, out var value)) {
				return value;
			}

			return null;
		}

		internal IEnumerable<string> GetSupportedKeys() {
			return _translations.Keys;
		}
	}

	[Obsolete]
	internal class GenericLanguage : Language {
		public GenericLanguage(string name) {
			Name = name;
		}

		public override string Name { get; }
	}
}
